The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 08, 2017

Filed:

Apr. 14, 2014
Applicant:

World Energy Systems, Incorporated, Forth Worth, TX (US);

Inventors:

Anthony Gus Castrogiovanni, Manorville, NY (US);

Allen R. Harrison, Houston, TX (US);

Norman W. Hein, Jr., Tulsa, OK (US);

Marvin J. Schneider, League City, TX (US);

Assignee:

World Energy Systems Incorporated, Fort Worth, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/24 (2006.01); E21B 43/243 (2006.01);
U.S. Cl.
CPC ...
E21B 43/24 (2013.01); E21B 43/243 (2013.01); E21B 43/2406 (2013.01);
Abstract

A system for recovering hydrocarbons comprises a downhole steam generator for coupling with a packer in an injector well, an umbilical device coupled to the downhole steam generator for lifting or lowering the downhole steam generator in the injector well, a first shear point disposed between the downhole steam generator and the packer, and a second shear point disposed between the umbilical device and the downhole steam generator, wherein the first shear point has a shear strength that is different than a shear strength of the second shear point.


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